159677 has 4 divisors (see below), whose sum is σ = 182496. Its totient is φ = 136860.

The previous prime is 159673. The next prime is 159683. The reversal of 159677 is 776951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 159677 - 2² = 159673 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11399 + ... + 11412.

It is an arithmetic number, because the mean of its divisors is an integer number (45624).

2¹⁵⁹⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

159677 is a deficient number, since it is larger than the sum of its proper divisors (22819).

159677 is an equidigital number, since it uses as much as digits as its factorization.

159677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22818.

The product of its digits is 13230, while the sum is 35.

The square root of 159677 is about 399.5960460265. The cubic root of 159677 is about 54.2517961845.

The spelling of 159677 in words is "one hundred fifty-nine thousand, six hundred seventy-seven".